diff --git a/composer.json b/composer.json
index 4381abde..1195d976 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "http-interop/http-factory-tests": "^2.2.0",
         "laminas/laminas-coding-standard": "~3.1.0",
         "php-http/psr7-integration-tests": "^1.4.0",
-        "phpunit/phpunit": "^10.5.36",
+        "phpunit/phpunit": "^13.0.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "vimeo/psalm": "^6.13"
     },